The scream comes from the SpongeBob SquarePants episode 'Chocolate with Nuts' (Season 3, 2002), where SpongeBob and Patrick sell chocolate bars door to door until a customer snaps and chases them down the street shrieking 'CHOCOLATE!' The gag became one of the show's most quoted moments and spread online as a reaction sound for hype, chaos and unhinged excitement. Searchers usually label it the 'chocolate old lady' scream, and it still thrives because the escalating yell turns any craving or manic moment into an instant punchline.